IOWA ACADEMY OF SCIENCES. 65 



RUTACE7E. 



(19) Xnnlhoxylum dava-her cults, L. (Prickly Ash.) Independence, 

 Washington county. Common along fences. 



(20) AiLANTiiusGLANDULOSusDesf. (Tree of Heavcn.) Frequent escape. 



ILICINE.T-:. 



(21) Ilex opaca, Ait. (American Holly.) Calvert, Robertson county. 

 Along streams. 



(22) Ilex caasine, h. (Cassena Yaupop). Brenham, Washington county. 

 Sandy oak openings forming thickets; common. 



(23) I. decidua, Wsdt. Melissa, Collin county. Common along streams in 

 low grounds. 



PHAMNACE.E. 



(24) Berchemia scandens, Trelease. (Supple Jack). College Station, 

 Brazos county (P.); Calvert. Robertson county. (P.) Common climbing 

 trees forty to sixty feet high. In low grounds. 



(25) Rhamnus caroUniana, Walt. Sau Marcos, Hayscounty. (P.) In rocky 

 places along San Marcos River. Clay station, Washington county (P). 

 Sandy rocky ledges. 



VICTACE.E. 



(26) Vitis cajidicans, Engelm. Everywhere in woods. 



(27) V. cestivaus, Miln. Post Oak Grape. Denison, Grayson county. 

 Fruit ripe in July and August. Denison, Gx*ayson county. 



(28) V. cinerea, Engelm. Denison. 



(29) V. cordi folia, Michx. (Frost or Chicken Grape.) Denison, Grayson 

 county. 



(30) V. riparia, Michx. Denison, Grayson county. 



(31) V. rotundifolia, Michx. College Station, Brazos county. In deep. 

 rich woods. 



(32) Cissus stans, Pers. College Station, Brazos county, Navasota, 

 Grimes county; Calvert, Robertson county. A common species, and on the 

 deep, rich soils of the Brazos a troublesome weed in cotton and cornfields. 



(33) Ami)elopsis gumquefolia, M-ichx. College Station, Bx-azos county; 

 Denison, Grayson county. Common. 



SAPINDACE-*:. 



(34) Cardiospermum halicacabum, L. (Common Balloon Vine.) Melissa, 

 Collin county. A weed in fields. 



(35) ^senilis Jiava, Ait., var. purpurascens, Gray(?). San Marcos, Haj's 

 county. Low shrub in rocky woods. August 10th seed nearly ripe. Leaves 

 all gone. 



(36) Ungnadia speciosa, Endl. (Mexican Buckeye.) Clay Station, Wash- 

 ington county. Shrub in rocky woods. Shiny black seeds ripe July 

 15th. (P.) 



(37) Sapindiis marginatus, Willd. Soapberry tree. (Native China tree.) 

 Melissa, Collin county. (P.) Dallas. Common in Trinity river bottom. 

 Rich alluvial soil. 



(38) Acer snccharinum, L. Denison, Grayson county. 



(39) Negimdo aceroides, Moench. Denison, Grayson county. 

 5 



